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2 years ago

How does friction affect energy transformation

2 answers:

8 0

Friction can be very hot but if the weather is cold you can use the friction that they can affect the en energy they will be so hot

Westkost [7]2 years ago

4 0

The friction can be used as a stopper for the electricity so it can slow

or it can increace speed

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The equations ? It’s for a chemistry class, and he said we need to explain and write down the math problems?

alina1380 [7]

Answer:

I think this is because math and chemistry go together and the math problems are science related.

Explanation:

3 0

1 year ago

A mileage test is conducted for a new car model. Thirty randomly selected cars are driven for a month and the mileage is measure

Leni [432]

Answer: $(27.81,\ 29.39)$

Explanation:

Given : Sample size : n= 30 , it means it is a large sample (n≥ 30), so we use z-test .

Significance level : $\alpha: 1-0.95=0.05$

Critical value: $z_{\alpha/2}=1.96$

Sample mean : $\overline{x}=28.6$

Standard deviation : $\sigma=2.2$

The formula to find the confidence interval is given by :-

$\overline{x}\pm z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}$

i.e. $28.6\pm (1.96)\dfrac{2.2}{\sqrt{30}}$

i.e. $28.6\pm 0.787259889321$

$\approx28.6\pm 0.79=(28.6-0.79,28.6+0.79)=(27.81,\ 29.39)$

Hence, the 95% confidence interval for the mean mpg in the entire population of that car model = $(27.81,\ 29.39)$

4 0

2 years ago

A is often written as an if/then statement. O prediction O law O theory O guess

frosja888 [35]

The answer is theory because it says if and that means theory

3 0

2 years ago

Ik i already asked this but i need diff point of views

salantis [7]

Answer:

Is it prescribe to you?If so than yes if not then no need to

Explanation:

5 0

2 years ago

Read 2 more answers

Which of the following is not found in a nucleotide?

Firlakuza [10]

Amino acid is not found in a nucleotide.

8 0

2 years ago